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47972595328 = 277295318131
BaseRepresentation
bin101100101011011000…
…111011011010000000
311120211021220100020221
4230223120323122000
51241221441022303
634012135112424
73315543221650
oct545330733200
9146737810227
1047972595328
11193883089a9
129369b12714
1346a6a1baa8
142471380360
1513ab8bc4bd
hexb2b63b680

47972595328 has 64 divisors (see below), whose sum is σ = 109266333120. Its totient is φ = 20551587840.

The previous prime is 47972595269. The next prime is 47972595343. The reversal of 47972595328 is 82359527974.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2636823 + ... + 2654953.

It is an arithmetic number, because the mean of its divisors is an integer number (1707286455).

Almost surely, 247972595328 is an apocalyptic number.

It is an amenable number.

47972595328 is an abundant number, since it is smaller than the sum of its proper divisors (61293737792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47972595328 is a wasteful number, since it uses less digits than its factorization.

47972595328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21105 (or 21093 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 61.

The spelling of 47972595328 in words is "forty-seven billion, nine hundred seventy-two million, five hundred ninety-five thousand, three hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 2953 5906 11812 18131 20671 23624 36262 41342 47248 72524 82684 94496 126917 145048 165368 188992 253834 290096 330736 377984 507668 580192 661472 1015336 1160384 1322944 2030672 2320768 2645888 4061344 8122688 16245376 53540843 107081686 214163372 374785901 428326744 749571802 856653488 1499143604 1713306976 2998287208 3426613952 5996574416 6853227904 11993148832 23986297664 47972595328